AS38387 CMB Sejong Broadcasting Co,.Ltd

CMBSEJONG-AS-KR-KR - CMB Sejong Broadcasting Co,.Ltd · registered in South Korea

IPv4 addresses5,6328 prefixes · <0.001% of announced IPv4

Rank in South Korea#273largest network in KR by IPv4 space, of 853 · <0.01% of KR

Rank worldwide#12,918of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountrySouth Korea869 ASNs registered there

Open AS38387 in ASN lookup Look up an IP in this network (27.126.4.1) All networks in South Korea

IPv4 prefixes

All 8 prefixes, in address order.

27.126.4.0/22
27.126.9.0/24
27.126.10.0/23
27.126.18.0/23
27.126.20.0/22
27.126.47.0/24
103.237.20.0/22
163.53.156.0/22

Similar-sized networks in South Korea

ASNNameIPv4 addresses

AS17595#270 KINSNET-AS-KR-KR - Korea Institute of Nuclear Safety5,632

AS23668#271 KPU-AS-KR-KR - TECH UNIVERSITY OF KOREA5,632

AS38090#272 PEARLABYSS-AS-KR-KR - pearlabyss5,632

AS38401#274 GOEAN-AS-KR-KR - Gyeonggi Provincial Anseong Office of Education5,632

AS38707#275 TOSSPAYMENTS-AS-KR-KR - Tosspayments5,632

AS152199#276 KAKAOCORP-AS-KR-KR - Kakao Corp5,376

IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources